A novel microcontroller-based sensorless brushless DC (BLDC) motor drive for automotive fuel pumps

被引:188
作者
Shao, JW [1 ]
Nolan, D
Teissier, M
Swanson, D
机构
[1] STMicroelect, Power Syst Applicat Lab, Schaumburg, IL 60173 USA
[2] STMicroelect, F-13106 Rousset, France
[3] STMicroelect, Livonia, MI 48152 USA
关键词
back-electromotive-force (EMF) detection; fuel pumps; microcontroller; sensorless brushless dc (BLDC) drives;
D O I
10.1109/TIA.2003.818973
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper presents a novel back-electromotive-force (EMF) detection method for sensorless brushless dc (BLDC) motor drive systems. By this method, a true back-EMF signal can be directly extracted for each phase without sensing the neutral point of the motor. The method proposed is not sensitive to switching noise and requires no filtering. Good motor performance is achieved over a wide speed range as well. This novel sensing scheme is implemented into a hardware macro cell inside a mixed-signal microcontroller. The proposed microcontroller-based sensorless BLDC drive system has been successfully applied to automotive fuel-pump applications, which require high reliability and intelligence at a low cost.
引用
收藏
页码:1734 / 1740
页数:7
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